int
main(int argc, char **argv)
{
int c;
/* Revoke setgid privileges */
setgid(getgid());
#ifdef DEBUG
while ((c = getopt(argc, argv, "a:b:hp:r:t:d")) != -1)
#else
while ((c = getopt(argc, argv, "a:b:hp:r:t:")) != -1)
#endif
switch (c) {
case 'a':
arrow_num = atoi(optarg);
break;
case 'b':
bat_num = atoi(optarg);
break;
#ifdef DEBUG
case 'd':
debug = 1;
break;
#endif
case 'h':
level = HARD;
break;
case 'p':
pit_num = atoi(optarg);
break;
case 'r':
room_num = atoi(optarg);
if (room_num < MIN_ROOMS_IN_CAVE) {
(void)fprintf(stderr,
"No self-respecting wumpus would live in such a small cave!\n");
exit(1);
}
if (room_num > MAX_ROOMS_IN_CAVE) {
(void)fprintf(stderr,
"Even wumpii can't furnish caves that large!\n");
exit(1);
}
break;
case 't':
link_num = atoi(optarg);
if (link_num < 2) {
(void)fprintf(stderr,
"Wumpii like extra doors in their caves!\n");
exit(1);
}
break;
case '?':
default:
usage();
}
if (link_num > MAX_LINKS_IN_ROOM ||
link_num > room_num - (room_num / 4)) {
(void)fprintf(stderr,
"Too many tunnels! The cave collapsed!\n(Fortunately, the wumpus escaped!)\n");
exit(1);
}
if (level == HARD) {
bat_num += ((random() % (room_num / 2)) + 1);
pit_num += ((random() % (room_num / 2)) + 1);
}
if (bat_num > room_num / 2) {
(void)fprintf(stderr,
"The wumpus refused to enter the cave, claiming it was too crowded!\n");
exit(1);
}
if (pit_num > room_num / 2) {
(void)fprintf(stderr,
"The wumpus refused to enter the cave, claiming it was too dangerous!\n");
exit(1);
}
instructions();
cave_init();
/* and we're OFF! da dum, da dum, da dum, da dum... */
(void)printf(
"\nYou're in a cave with %d rooms and %d tunnels leading from each room.\n\
There are %d bat%s and %d pit%s scattered throughout the cave, and your\n\
quiver holds %d custom super anti-evil Wumpus arrows. Good luck.\n",
room_num, link_num, bat_num, plural(bat_num), pit_num,
plural(pit_num), arrow_num);
for (;;) {
initialize_things_in_cave();
arrows_left = arrow_num;
do {
display_room_stats();
(void)printf("Move or shoot? (m-s) ");
(void)fflush(stdout);
if (!fgets(answer, sizeof(answer), stdin))
break;
} while (!take_action());
if (!getans("\nCare to play another game? (y-n) "))
exit(0);
if (getans("In the same cave? (y-n) "))
clear_things_in_cave();
else
cave_init();
}
/* NOTREACHED */
return (0);
}
int
main(int argc, char *argv[])
{
int c;
#ifdef DEBUG
while ((c = getopt(argc, argv, "a:b:hop:r:t:d")) != -1)
#else
while ((c = getopt(argc, argv, "a:b:hop:r:t:")) != -1)
#endif
switch (c) {
case 'a':
arrow_num = atoi(optarg);
break;
case 'b':
bat_num = atoi(optarg);
break;
#ifdef DEBUG
case 'd':
debug = 1;
break;
#endif
case 'h':
level = HARD;
break;
case 'o':
oldstyle = 1;
break;
case 'p':
pit_num = atoi(optarg);
break;
case 'r':
room_num = atoi(optarg);
if (room_num < MIN_ROOMS_IN_CAVE)
errx(1,
"no self-respecting wumpus would live in such a small cave!");
if (room_num > MAX_ROOMS_IN_CAVE)
errx(1,
"even wumpii can't furnish caves that large!");
break;
case 't':
link_num = atoi(optarg);
if (link_num < 2)
errx(1,
"wumpii like extra doors in their caves!");
break;
case '?':
default:
usage();
}
if (oldstyle) {
room_num = 20;
link_num = 3;
/* Original game had exactly 2 bats and 2 pits */
if (bat_num < 0)
bat_num = 2;
if (pit_num < 0)
pit_num = 2;
} else {
if (bat_num < 0)
bat_num = BAT_COUNT;
if (pit_num < 0)
pit_num = PIT_COUNT;
}
if (link_num > MAX_LINKS_IN_ROOM ||
link_num > room_num - (room_num / 4))
errx(1,
"too many tunnels! The cave collapsed!\n(Fortunately, the wumpus escaped!)");
if (level == HARD) {
if (room_num / 2 - bat_num)
bat_num += arc4random_uniform(room_num / 2 - bat_num);
if (room_num / 2 - pit_num)
pit_num += arc4random_uniform(room_num / 2 - pit_num);
}
/* Leave at least two rooms free--one for the player to start in, and
* potentially one for the wumpus.
*/
if (bat_num > room_num / 2 - 1)
errx(1,
"the wumpus refused to enter the cave, claiming it was too crowded!");
if (pit_num > room_num / 2 - 1)
errx(1,
"the wumpus refused to enter the cave, claiming it was too dangerous!");
instructions();
if (oldstyle)
dodecahedral_cave_init();
else
cave_init();
/* and we're OFF! da dum, da dum, da dum, da dum... */
(void)printf(
"\nYou're in a cave with %d rooms and %d tunnels leading from each room.\n\
There are %d bat%s and %d pit%s scattered throughout the cave, and your\n\
quiver holds %d custom super anti-evil Wumpus arrows. Good luck.\n",
room_num, link_num, bat_num, plural(bat_num), pit_num,
plural(pit_num), arrow_num);
for (;;) {
initialize_things_in_cave();
arrows_left = arrow_num;
do {
display_room_stats();
(void)printf("Move or shoot? (m-s) ");
(void)fflush(stdout);
(void)fpurge(stdin);
if (!fgets(answer, sizeof(answer), stdin))
break;
} while (!take_action());
(void)fpurge(stdin);
if (!getans("\nCare to play another game? (y-n) ")) {
(void)printf("\n");
exit(0);
}
clear_things_in_cave();
if (!getans("In the same cave? (y-n) ")) {
if (oldstyle)
dodecahedral_cave_init();
else
cave_init();
}
}
/* NOTREACHED */
}